John F. Caccamese, DMD, MD a, b, Ramon L. Ruiz, DMD, MD c, d, Bernard J. Costello, DMD, MD e, f, ⁎ 
a Department of Oral and Maxillofacial Surgery, University of Maryland Medical Center, 22 South Green Street, Baltimore, MD 21201, USA
b R. Adams Cowley Shock Trauma Unit, University of Maryland Hospital for Children, 22 South Green Street, Baltimore, MD 21201, USA
c Department of Oral/Maxillofacial Surgery, Southwest Florida Oral and Facial Surgery, 5285 Summerlin Road, Suite 101, Fort Myers, FL 33919, USA
d Children's Hospital of Southwest Florida, 9981 South HealthPark Drive, Fort Myers, FL 33908, USA
e Division of Craniofacial and Cleft Surgery, Department of Oral and Maxillofacial Surgery, University of Pittsburgh School of Dental Medicine, 3471 Fifth Avenue, Suite 1112, Pittsburgh, PA 15213, USA
f Department of Pediatric Oral and Maxillofacial Surgery, Children's Hospital of Pittsburgh, Salk Hall, Suite G-32, 3501 Terrace Street, Pittsburgh, PA 15261, USA